Permission Denied while running a bash script via cron on MNT/NAS, How to solve this?

I have nas setup on my hosting server and doing great running my bash script via root with putty connection.
Whenever I try to run these bash script that basically does "ls" on the nas folder and copies mysqldump *.gz to it - I get a permission denied error.
this doesn't occur when running the script with root.

I have tried for hours to get around this, cron runs the bash script under it's cpanel username in this case, which I guess doesn't have root's permissions - Can you please help me in how can get my user to make modifications to the nas files?
this was my mount command:

I have noticed that whitin the NAS my group name and username for files and folders are different and labeled as numbers.
Please provide help in which my cpanel cron user can make file modifications to that nas folder ?

Cant get this to work for all my users, if i set the uid and gid for that current user they can modify files but then other users can't -
there must be a way to find a cummon permission setting for all these cpanel users, i tried to use root/root but that failed :(

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Make sure all the users belong to the same group, then use 0770, that is: binary 111111000, or in Linux terms, rwxrwx--- which says that the linux user you mounted it as has read, write and execute permissions, the group you mounted it as has read, write and execute permissions and the rest has nothing.

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